#677BB4#677BB4

#677BB4 is a mid, moderate blue. Relative luminance 0.203; OKLCH L 59.1% C 0.091 H 268.8°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#677BB4
RGB	rgb(103, 123, 180)
HSL	hsl(224, 34%, 55%)
HSV	hsv(224, 43%, 71%)
CMYK	cmyk(42.8%, 31.7%, 0%, 29.4%)
CIE-LAB	lab(52.22, 7.78, -32.44)
CIE-LCH	lch(52.22, 33.36, 283.49°)
OKLab	oklab(59.08% -0.002 -0.0908)
OKLCH	oklch(59.08% 0.091 268.8)
XYZ	xyz(20.9121, 20.3437, 45.9960)
Luminance	0.2034 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BB4 #B4A067

analogous

#67A1B4 #677BB4 #7967B4

triadic

#677BB4 #B4677B #7BB467

tetradic

#677BB4 #B467A1 #B4A067 #67B479

square

#677BB4 #B467A1 #B4A067 #67B479

split-complementary

#677BB4 #B47967 #A1B467

monochromatic

#35436C #495D95 #677BB4 #909FC8 #B9C2DC

Accessibility & contrast

On white

4.14

#677BB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#677BB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BB4

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BB4	#FFFFFF	#000000	##000000
##677BB4	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6780B6

Deuteranopia (green-blind)

#6079B3

Tritanopia (blue-blind)

#4D878F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #677bb4;
/* rgb */ color: rgb(103, 123, 180);
/* oklch */ color: oklch(59.1% 0.091 268.8);

Tailwind

colors: {
  custom: {
    50: '#96a1ca',
    500: '#677bb4',
    950: '#000000',
  },
}

SCSS

$custom: #677bb4;
$custom-light: #96a1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#677bb4",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 180
  },
  "hsl": {
    "h": 224.416,
    "s": 33.921,
    "l": 55.49
  },
  "oklch": {
    "l": 0.59081,
    "c": 0.09083,
    "h": 268.8
  },
  "luminance": 0.20345
}

Semantic roles & 50–950 ramp

primary

#677BB4

secondary

#CBC3AB

accent

#AE5ECA

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0E0E13

muted

#7E7E82

Preview Lab

Preview with #677BB4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →